Question

multiple choice 1 point
according to the fossil record, the first life on earth was that of
cyanobacteria
trilobites
ancient bivalves like brachiopods
ancient ocean carnivorous worms

Explanation:

The fossil record shows that cyanobacteria (or blue - green algae) are among the earliest life forms on Earth, appearing much earlier than trilobites, ancient bivalves like brachiopods, and ancient ocean carnivorous worms. Trilobites, brachiopods, and carnivorous worms are all more complex organisms that appeared later in the geological time scale.

Answer:

A. cyanobacteria